Direction reversal at minimum speed without setpoint input

I have a G120 CU240E-2 PN-F that is to replace an old Telemechanique Altivar 16 Square D. I need to do this without altering the application or wiring.

I get an input at DI0 (ON/OFF1) to start and DI2 to reverse the direction, this is interally connected to P1113 (Setpoint reversal). The setpoint is 0-10V at AI1. P1080 (Minimum speed) is 150.

My problem is that in manual mode I get the signal at DI0 and DI2 but no speed setpoint, it is intended to run at minimum speed at this point. The motor runs at 150 rpm as it should, but I can not reverse it. It seems my setpoint input needs to be larger than the Minimum speed at P1080. So if I simulate 1V at AI1 the setpoint reaches the 150 rpm and I can now reverse it. But the application needs to stay as it is with 0V at the input.

How can I get the motor in reverse without an actual setpoint input?

Thanks